Solving A Standard Annuity Problem - Texas Instruments TI-89 Titanium Short User Manual

9. Use the Trace tool to explore the function
values at
x=0
10. Use the Trace tool to explore the function
values at
x=0
Summary
Note that is zero for each of the function values in steps 7–9. Thus, the
zc
complex zeros 1,L
the three points where the graph of the modulus surface touches the
plane.

Solving a Standard Annuity Problem

This activity can be used to find the interest rate, starting principal,
number of compounding periods, and future value of an annuity.
Finding the Interest Rate of an Annuity
Perform the following steps to find the interest rate (
where the starting principal (
( ) is 6, and the future value (
n
1. On the Home screen, enter the equation to
solve for .
p
2. Enter the equation to solve for
Activities
and .
y=1
L
and .
y= 1
i i
, of the polynomial
) is 1,000, number of compounding periods
p
) is 2,000.
s
3 2
N N
can be visualized with
x x +x 1
.
n
) of an annuity
i
xy
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